Your
Apple MacBook Pro 17-inch Intel Core 2 Duo 2.6GHz (CTO) 503 can support up to 4GB of memory. For optimal
system performance install the maximum amount of memory in each memory socket, this system comes with standard amount of 0MB RAM. One
or more of the sockets in the system might be already filled with memory. Whenever you upgrade, you can either add memory to one of the open sockets and/or remove memory from a filled socket and replace it with a higher capacity memory module.
Select your Memory Upgrade for Apple MacBook Pro 17-inch Intel Core 2 Duo 2.6GHz (CTO) 503.